19509-3936 UC 4037

 
 
19h 50m 55.47s -39 35' 33.4" P.A. 179 sep 100.4 mag 9.30,16.40 Sp G1/2V dist. 74.79 pc (243.96 l.y.)
 
 
Coord 2000
19509-3936
Discov num
UC 4037
Comp
Coord arcsec 2000
19 50 55.47 -39 35 33.4
Date first
1998
Date last
2015
Obs
4
Pa first
178
Pa last
179
P.A. Now (θ)
179°
Sep first
103.0
Sep last
100.4
Sep. Now (ρ)
100.4"
Mag pri
9.30
Mag sec
16.40
delta mag (ΔM)
7.1
Spectral class
G1/2V (yellow)
Pri motion ra
+026
Sec motion ra
+018
Pri motion dec
-130
Sec motion dec
-115
Notes
V W (Proper motion indicates physical, )
rPM=0.128 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
178.5
Precise sep
100.448
Constellation
Sagittarius
SAO
211595
HIP
97667
Tycho2
7938-01584-1
HD
187292
CD
CD-3913477
CP
CP-39 8546
Distance
74.79
Distance ly
243.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19509-3936 UC 4037 1998 2 178 102.3 9.30 16.40 V 195055.47-393533.4
19509-3936 UC 4037 2000 2 178 102.9 9.30 16.40 V 195055.47-393533.4
19509-3936 UC 4037 2010 3 179 101.0 9.30 16.40 G1/2V V 195055.47-393533.4
19509-3936 UC 4037 2015 4 179 100.4 9.30 16.40 G1/2V VW 195055.47-393533.4

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